ISO/IEC 18031:2011 - Information technology -- Security techniques -- Random bit generation http://www.iso.org/cms/render/live/en/sites/isoorg/contents/data/standard/05/49/54945.html http://www.iso.org/cms/render/live/en/sites/isoorg/contents/data/standard/05/49/54945.html This document reached stage 90.93 on 2017-05-22, TC/SC: ISO/IEC JTC 1/SC 27, ICS: 35.030 2017-05-22